Episode Title:Heart of the Ancients.Episode Description:Using the cover of a battle between Tatania and Renard's forces, Jack and his band enter an old railway system in hopes of discovering answers for the vault by relying on data from the Independence. However they discover an old place known as the Heart of the Ancients that is a secret underground garden flourishing with plant life. With the newly found crops, there is hope for the upper world to thrive on their once desolate fields with these new plants' seeds. Unfortunately Mick's greediness for a gem sets off a booby trap and the group is forced to run away from a giant robot while trying to fend off attacks from Renard and his forces to keep them from getting Xyber 9.